package com.guan.gateway;

import lombok.extern.slf4j.Slf4j;
import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.Ordered;
import org.springframework.stereotype.Service;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

@Slf4j
@Service
public class CustomGlobalFilter implements GlobalFilter, Ordered {
    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
        log.info("[Pre] CustomGlobalFilter enter...");
         return chain.filter(exchange).then(Mono.fromRunnable(()->{
            log.info("[Post] CustomGlobalFilter return...");
            }));
    }

    @Override
    public int getOrder() {
        return  Ordered.LOWEST_PRECEDENCE;
    }
}
